Centrifugal fan

Details Centrifugal fan Centrifugal fan

2007-01-16

2007-01-16

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing having tangential inlet or outlet

C415S228000

Reexamination Certificate

active

10517143

ABSTRACT:
A centrifugal fan is configured to be capable of preventing turbulence of the flow in the vicinity of an inlet. The centrifugal fan is a multi blade fan that takes gas in from a rotational axis line direction and blows the gas out in a direction that intersects the rotational axis line, and comprises an impeller and a bell mouth. The impeller rotates about the rotational axis line. The bell mouth has an inlet arranged so that it opposes the impeller, and a recessed part around the inlet that forms a recessed negative pressure space facing the impeller side, and guides the inlet gas to the impeller.

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